How To Fix G3544 - Lock mode entry was created/changed

SAP Error Message - Details

• Message type: E = Error

• Message class: G3 - Messages for SAP Consolidation: Integration

• Message number: 544

• Message text: Lock mode entry was created/changed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message G3544 - Lock mode entry was created/changed ?

  The SAP error message G3544, which states "Lock mode entry was created/changed," typically relates to issues with lock entries in the SAP system. This error can occur when there are conflicts in accessing data due to lock entries that are created or modified by different processes or users.
  Cause:
  
  Concurrency Issues: Multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict in lock modes.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than necessary, causing other transactions to fail.
  Improper Lock Management: Custom programs or configurations that do not handle locks properly can lead to this error.
  Database Locking Mechanism: The underlying database may have its own locking mechanisms that conflict with SAP's locking strategy.
  
  Solution:
  
  Identify the Lock: Use transaction code SM12 to view and analyze the lock entries. You can check which user or process is holding the lock and what data is being locked.
  Release Locks: If you find unnecessary locks, you can manually delete them from SM12, but be cautious as this can lead to data inconsistencies if the process holding the lock is still active.
  Optimize Transactions: Review and optimize long-running transactions to ensure they complete quickly and release locks in a timely manner.
  Check Custom Code: If the error is related to custom programs, review the code for proper lock handling. Ensure that locks are released after their use.
  Increase Lock Timeout: In some cases, increasing the lock timeout settings in the SAP system may help alleviate the issue, but this should be done with caution.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: Display and manage lock entries.
  SM21: Check system logs for related errors.
  ST22: Analyze dumps that may provide more context on the error.
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on lock management and troubleshooting.
  Performance Monitoring: Use transaction ST03N to monitor system performance and identify any bottlenecks that may be causing long lock durations.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.